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Congratulations! You learned to use the bash profile to configure the environment. What can we generalize so far?

• The environment refers to the preferences and settings of the current user.
• The nano editor is a command line text editor used to configure the environment.

• ~/.bash_profile is where environment settings are stored. You can edit this file with nano.

• environment variables are variables that can be used across commands and programs and hold information about the environment.

• export VARIABLE="Value" sets and exports an environment variable.
• USER is the name of the current user.
• PS1 is the command prompt.
• HOME is the home directory. It is usually not customized.
• PATH returns a colon separated list of file paths. It is customized in advanced cases.
• env returns a list of environment variables.
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